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- - × 068-0400-2DENP - 400mm - Flanged Silencer - Elta 1 × £174.00
  - × RSD 250/300 - Helios - Flanged Circular Attenuator 1 × £159.06
  - × 136159 - SL 9040 E2J 20 10 - Supply air handling unit with controls - Ruck 1 × £3,290.56
  - × RAG 200 - Helios - Rain Repellent Grille 1 × £94.34
  - × VDW EC 315- Vertical roof fan - 1 ph - Helios 1 × £1,261.75
  - × 062-001 AV Mounts - Elta 2 × £43.75
  - × Quick release locks to suit Stainless Steel Clampband 1 × £12.99
  - × Weather Louvre 350x350 - Mill Finish 1 × £32.47
  - × 136266 - SL 9030 E2J 20 10 - Supply air handling unit with controls - Ruck 1 × £2,739.36
  - × 149-POT-10-MI - EC Electronic Controller - Elta 2 × £68.00
  - × MV 160 - Helios - MixFlowVent Centrifugal Fan 1 × £179.90
  - × Quick-Fit Flanged Adapter (QF to FLN) - Galvanised - Nordfab 1 × £45.08
  - × VEKA INT 3000/15.0 - L1 EKO - Air handling unit - Helios 1 × £4,820.40
  - × 068-0500-JF2 - 500dia - 600mm Long - Spigot Silencer - Elta 1 × £216.00
  - × Fast Clamp - Fan Connectors - 200mm Diameter 1 × £3.99
  - × Strut Foot - FX250 - Rubber Foot with Channel 1 × £22.99
  - × IP-BP 160/180/25 - Weathering plate - Helios 1 × £135.96
  - × 12456 VORTICE 230/9" ARI-LL-S - Wall Fan 1 × £236.25
  - × RSK 160 - Helios - Back Draught Shutter 1 × £53.76
  - × VEKA INT W 4000/54- L1 EKO - Air handling unit - Helios 1 × £4,852.33
  - × Raptor SPA400/4-1EC - Elta - EC-Plate Mounted Axial Flow Fan 1 × £1,085.00
  - × TSW 1.5 - Helios - Transformer Controller 1 × £138.22
  - × Quick-Fit Ventilation Adapter - Galvanised - Nordfab 1 × £12.04
  - × FM 315 - Helios - Flexible Sleeve 1 × £41.68
  - × Roof Cowl - 250mm Diameter 1 × £24.00
  - × 039-SFSV-40/45 Backdraught Shutters - Elta 1 × £123.60
  - × 149-DCV-MK3-CTRL DCV LCD Display - Elta 1 × £417.15
  - × MVZ 125 - Helios - MixFlowVent Two-Stage Fan Unit 1 × £334.57
  - × STS 560 EX - Helios - Flanged Flexible Connector 1 × £168.93
  - × Single Blade Externally Re-settable Combination Fire and Volume Control Damper (FD-C) - 315mm Diameter 1 × £109.00
  - × ELF 400 - Replacement filter mats (5PCS) - Helios 1 × £53.56
  - × 068-0450-2DENP - 450mm - Flanged Silencer - Elta 1 × £198.00
  - × 060A-0450-C Powder Coated Mounting Feet - Elta 1 × £63.00
  - × 145674 - EM 160 EC 01 - 160mm Inline Tube Fan - Ruck 1 × £110.24
  - × 068-0560-1DENPC - 560mm - Flanged Silencer - Elta 1 × £192.00
  - × Quick-Fit Ventilation Adapter - Galvanised - Nordfab 1 × £11.64
  - × Quick-Fit Flanged Adapter (QF to FLN) - Galvanised - Nordfab 1 × £40.65
  - × ELF 450/500 - Replacement filter mats (5PCS) - Helios 1 × £56.65
  - × KSE-45 - AV Mounts (Set Of 4) - Soler & Palau 1 × £60.90
  - × MK 400/450 - Helios - Mounting Feet (2 PCS.) 1 × £61.43
  - × RDS 4 - Helios - Transformer Controller With Motor Protection 1 × £447.56
  - × 062-002 AV Mounts (Individual) - Elta 1 × £43.75
  - × Weather Louvre 300x300 - Mill Finish 1 × £24.84
  - × Multiflow SEL400/4-1AC - Elta - Mixed Flow Fan 1 × £857.00
  - × 068-0450-1DEP - 450mm - Flanged Silencer - Elta 1 × £215.00
  - × Blast Gate Damper - 200mm Diameter 1 × £57.75
  - × KWL YOGA 1000 EV/WW - Decentralised Compact Ventilation Unit With Heat Recovery - Helios 1 × £11,368.11
  - × APK500SCD/002 - 500mm - Ancillary Pack - Elta 1 × £278.10
  - × 062-SEL03 Box Fan AV Mounts - Elta 1 × £43.75
  - × VFD-T 5A IP54 (3-PH) - Variable Frequency Inverter - Soler & Palau 1 × £633.94
  - × 162707 - AL 1120 D6 02 - Axial 1120mm duct fan - Ruck 1 × £4,287.92
  - × DX150TS - Simply Silent Kitchen Extractor Fan - Xpelair 1 × £53.99
  - × Quick-Fit Flanged Adapter (QF to FLN) - Galvanised - Nordfab 1 × £49.53
  Subtotal: £40,218.19
  
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Basket
- × 068-0400-2DENP - 400mm - Flanged Silencer - Elta 1 × £174.00
- × RSD 250/300 - Helios - Flanged Circular Attenuator 1 × £159.06
- × 136159 - SL 9040 E2J 20 10 - Supply air handling unit with controls - Ruck 1 × £3,290.56
- × RAG 200 - Helios - Rain Repellent Grille 1 × £94.34
- × VDW EC 315- Vertical roof fan - 1 ph - Helios 1 × £1,261.75
- × 062-001 AV Mounts - Elta 2 × £43.75
- × Quick release locks to suit Stainless Steel Clampband 1 × £12.99
- × Weather Louvre 350x350 - Mill Finish 1 × £32.47
- × 136266 - SL 9030 E2J 20 10 - Supply air handling unit with controls - Ruck 1 × £2,739.36
- × 149-POT-10-MI - EC Electronic Controller - Elta 2 × £68.00
- × MV 160 - Helios - MixFlowVent Centrifugal Fan 1 × £179.90
- × Quick-Fit Flanged Adapter (QF to FLN) - Galvanised - Nordfab 1 × £45.08
- × VEKA INT 3000/15.0 - L1 EKO - Air handling unit - Helios 1 × £4,820.40
- × 068-0500-JF2 - 500dia - 600mm Long - Spigot Silencer - Elta 1 × £216.00
- × Fast Clamp - Fan Connectors - 200mm Diameter 1 × £3.99
- × Strut Foot - FX250 - Rubber Foot with Channel 1 × £22.99
- × IP-BP 160/180/25 - Weathering plate - Helios 1 × £135.96
- × 12456 VORTICE 230/9" ARI-LL-S - Wall Fan 1 × £236.25
- × RSK 160 - Helios - Back Draught Shutter 1 × £53.76
- × VEKA INT W 4000/54- L1 EKO - Air handling unit - Helios 1 × £4,852.33
- × Raptor SPA400/4-1EC - Elta - EC-Plate Mounted Axial Flow Fan 1 × £1,085.00
- × TSW 1.5 - Helios - Transformer Controller 1 × £138.22
- × Quick-Fit Ventilation Adapter - Galvanised - Nordfab 1 × £12.04
- × FM 315 - Helios - Flexible Sleeve 1 × £41.68
- × Roof Cowl - 250mm Diameter 1 × £24.00
- × 039-SFSV-40/45 Backdraught Shutters - Elta 1 × £123.60
- × 149-DCV-MK3-CTRL DCV LCD Display - Elta 1 × £417.15
- × MVZ 125 - Helios - MixFlowVent Two-Stage Fan Unit 1 × £334.57
- × STS 560 EX - Helios - Flanged Flexible Connector 1 × £168.93
- × Single Blade Externally Re-settable Combination Fire and Volume Control Damper (FD-C) - 315mm Diameter 1 × £109.00
- × ELF 400 - Replacement filter mats (5PCS) - Helios 1 × £53.56
- × 068-0450-2DENP - 450mm - Flanged Silencer - Elta 1 × £198.00
- × 060A-0450-C Powder Coated Mounting Feet - Elta 1 × £63.00
- × 145674 - EM 160 EC 01 - 160mm Inline Tube Fan - Ruck 1 × £110.24
- × 068-0560-1DENPC - 560mm - Flanged Silencer - Elta 1 × £192.00
- × Quick-Fit Ventilation Adapter - Galvanised - Nordfab 1 × £11.64
- × Quick-Fit Flanged Adapter (QF to FLN) - Galvanised - Nordfab 1 × £40.65
- × ELF 450/500 - Replacement filter mats (5PCS) - Helios 1 × £56.65
- × KSE-45 - AV Mounts (Set Of 4) - Soler & Palau 1 × £60.90
- × MK 400/450 - Helios - Mounting Feet (2 PCS.) 1 × £61.43
- × RDS 4 - Helios - Transformer Controller With Motor Protection 1 × £447.56
- × 062-002 AV Mounts (Individual) - Elta 1 × £43.75
- × Weather Louvre 300x300 - Mill Finish 1 × £24.84
- × Multiflow SEL400/4-1AC - Elta - Mixed Flow Fan 1 × £857.00
- × 068-0450-1DEP - 450mm - Flanged Silencer - Elta 1 × £215.00
- × Blast Gate Damper - 200mm Diameter 1 × £57.75
- × KWL YOGA 1000 EV/WW - Decentralised Compact Ventilation Unit With Heat Recovery - Helios 1 × £11,368.11
- × APK500SCD/002 - 500mm - Ancillary Pack - Elta 1 × £278.10
- × 062-SEL03 Box Fan AV Mounts - Elta 1 × £43.75
- × VFD-T 5A IP54 (3-PH) - Variable Frequency Inverter - Soler & Palau 1 × £633.94
- × 162707 - AL 1120 D6 02 - Axial 1120mm duct fan - Ruck 1 × £4,287.92
- × DX150TS - Simply Silent Kitchen Extractor Fan - Xpelair 1 × £53.99
- × Quick-Fit Flanged Adapter (QF to FLN) - Galvanised - Nordfab 1 × £49.53
Subtotal: £40,218.19

View basket Checkout

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Reducer – 450mm Diameter

£24.48 ex. VAT

Reducer - 450mm Diameter quantity

SKU: 1d0fee458e77 Category: Roof Support Systems Tag: 450mm

Description

Reducer – 450mm Diameter

This reducers largest size is 450mm.

Please select the smaller size.

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© Ventilation Experts 2025. Ventilation Experts is a trading name of L&B Ventilation Supplies Ltd. Online prices are for a limited time only, and subject to change see our full Terms & Conditions. Registered in England and Wales No. 10679544. Unit 4 Albertine Close, Sweet Briar Industrial Estate, Norwich, Norfolk, NR3 2FA. Website by JMJ Digital

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